<!--
     Any copyright is dedicated to the Public Domain.
     http://creativecommons.org/licenses/publicdomain/
-->
<html>
<body style="filter:url(#thresholdAt128);">
  <div style="width:100px; height:100px; border: 1px solid black;
              -moz-transform:matrix(2,1,0,2,50,50);">
    <div style="margin:50px; border:10px solid red; width:20px; height:20px;
                background:yellow"></div>
  </div>
  <svg>
    <filter id="thresholdAt128" color-interpolation-filters="sRGB">
    <feColorMatrix type="matrix"
           values="255 0 0 0 -128 
                   0 255 0 0 -128 
                   0 0 255 0 -128 
                   0 0 0 255 -128"/>

    </filter>
  </svg>
</body>
</html>
